Year % of male population 1960 20.5610243656419 1961 20.4892575470033 1962 20.3830119281854 1963 20.2223803824086 1964 19.982544920887 1965 19.6673041752147 1966 19.3296082198486 1967 19.0284816300235 1968 18.8189110488435 1969 18.7243173495278 1970 18.7291515123376 1971 18.8024022208834 1972 18.9010217857941 1973 18.9914604318259 1974 19.0582994004744 1975 19.0973983686386 1976 19.1345998900253 1977 19.1962860624008 1978 19.2939210548614 1979 19.43665767555 1980 19.6209967965774 1981 19.8315451272505 1982 20.0554501269076 1983 20.2951402320918 1984 20.4897162891529 1985 20.5375428492483 1986 20.4265240956172 1987 20.2276963000357 1988 20.019001260158 1989 19.8095612730819 1990 19.5453589977338 1991 19.171874322517 1992 18.7166859635459 1993 18.2450067995064 1994 18.3698299962415 1995 18.5317433056104 1996 17.8968924885194 1997 17.4340422953402 1998 17.1638685445617 1999 17.1563766343537 2000 17.2224858216586 2001 17.2803247334154 2002 17.3882876816144 2003 17.4970605186479 2004 17.5648554718465 2005 17.591716334574 2006 17.5231440391158 2007 17.3728014502933 2008 17.1861542819647 2009 16.9502677971794 2010 16.6506254472133 2011 16.2947029191064 2012 15.9523453903212 2013 15.6796619308168 2014 15.4561763560195 2015 15.2740035492217 2016 15.123469434477 2017 14.9924348290956 2018 14.8756338831261 2019 14.7640666622833 2020 14.6376825245018 2021 14.4966108414334 2022 14.3406973316725 2023 14.165468153902